Rapacious

/rəˈpeɪʃəs/ adjective hard

Excessively greedy and aggressive in grabbing for money, resources, or power.

Critics described the corporation's rapacious pricing as taking advantage of customers who had no other choice.

Memory Trick

Rapacious shares a root with 'rapid' and 'raptor' -- think of a raptor swooping down at full speed to seize its prey without a moment's hesitation.